package com.dyh.quickdemo.plugin.u1;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

@Service
@Slf4j
public class CoreServicePlugin_1 implements CoreServicePlugin {

     @Override
     public void beforeCoreEin() {
          log.info("beforeCoreEin");
     }


     public static void main(String[] args) {
          StringBuilder sb = new StringBuilder();
         ff(sb);

          System.out.println(sb);
     }

     public static void ff(StringBuilder sb){
          sb.append("1");

          sb.insert(0,"2");
          sb.insert(0,"3");
     }
}
